Portable electric light



'Rmv 15,735

De. 25 ,211923. v

J. rr. DR'uFvA PORTABLE ELECTRIC. LIGHT 'r @riginal Filed Dec.. 22, 1917 2 sheets-sheet 1 1??.1 4 l f3 i Dec. 25, 1923. I g Re. 15,735

^ J. T. DRUFVA PORTABLE ELECTRIC LIGT- 1917 zsheets-sheet 2 :inl

-wann n *t andState of flo `lampsor flulili :Ling metal nu Reisaued Dec. 25, 1923.

. Re.' 15,735l

.u NrrED STYATESI'PATENT OFFICE.

Jona BRUNA, or LoNGnmDow, MASSACHUSETTS, assrenon To HENRY Bmx a co., 13.6.,.91 NEW roux., N. Y., A coRronaTIoN or NEW Yonx.

(itlglnaifol .To all'uhomit .me-r11!" vBe itr known that citizen of the' Uni-ted States, and resldent sseehnsetts, were invented --ceminV wenn useujl linp. vamente in Portable Elect'ri L lits, ci *which .the 9.11 lowing is speci 1e. oil! This invention relatif, bettery hell@ .ts ofthe typezeslerted to `11e-lighten whi e heldijii'tlie hndby the of Longmeadovin the @entity/)f Hampton p ipulntion of aithninl) orlsi'milar' device. l

lon of S9911 lamps often f tilllllatin material havleluded inzthe eecte .circalt in such a way :that it is'possible, by establishing a vconduct- .ng-connection between seid littlr'igs, t0 llght ao the lamp. A This results in' the liability; when suchv a lmnp-is carried in a box or similarz'places, 'of establishin a eil'oiilibef-WQGH "'such'ttngsby accidente y contacting Wlth tools; etc.I thereby lighting the lamp and' "onf A 251 vhausting the battery unnecessarily.,

l`Orne' of. the objects of this invention therefore, is toprovid'e nov'el means for insulatingv the'electric circuit, .so as to avoid `the' 'possibility-of accidentally lighting the 'In Iam essaryvto 4insulate one branch of the circuit 4between the switch and the battery.

"-Anotherobj'ect of'this invention. there- `fore, is to provide novel means for insulating oneside of the circuit fromthe metallic teasing.

A .Another ob'ect of this invention is to p ro- *.-YrilU--vitlemeans or 'relieving the lamp. of the s hiivlng metallic casing's, which` are inclu ed in the' electric circuit, it is nec-f the upper end of the lamp 4ure 1;

"at both s which are in-` ',igltgqnypyer a', luns, serial No. 208,346, inea mambo-.22, mi.' Application er mue and k),jtoveuuier s, m2o'. serial no. 422,7.

Figure 4 is a vsectional view of a fibre cas- VIQ'QIonrI T, DnUrvA, a in lamp embodying this invention;

.igure 5is a sectional view of the fibre casing showing the arran ement of conductors leadingto the switc l Figure 6 is an enlarged sectional View 0f shown in Fig- Fig'u-re 7 is a top plan view of a' modified form'jo-f the insulating device similar to that shown in Figure 2;

Figure 8 is a sectional view on the line 8--8 of Fig.7;

Figure 9 is-a sectional view of the 'upper end of the lamp showing the shock absorber and adaptor features; and I F igure 10 is a detached top view of the reflector support shown in Figure 9.

Referrn now to the accompanying drawing, 1() designates the casing of a metallic casing lamp, 11 the battery', 12 the insulat- 'these are of the usual construction,

seat for the reflector 171` The disc 29 is 1N so as to avoid contact withthe flange 27 and ing coverino` for the battery, I13 the lower end cap `o the casing, 14 the contacting spring for establishing contact between the casing und the lower end of the battery, 15 the upper end cap of the casing adapted to hold the lens 16. 1 7 designates the reflector, 18 the lamp having a contact sleeve 19 Yand a central contact21 for establishing contact with the terminal 22x01? the battery 11. All

we known in the art and, therefore, need vno further description.

Mounted in .the upper end `of the casing is an insulating fsuppo'rt for the reflector comprising an insulating disc or ring 28 mounted in a metal \rim 24: havin Y an internal i flange 27 adapted'to support t e disc 28, and

an' enlarged portion 25 forlnin a shoulder adapted to seat 'upon al shul er 23 in the easing. The disc or ring 28-g o'f insulatin central aperture in both discs and forming a sleeveadapted to contact with and form a smaller in outside diameter than the'dis'c 28 the rirn 24.

This insulatin support/being seated in .the casing, the ower sleeve`20 of the re- 4 the disc 29 when the thumb piece 31 ting on the with the seated within' the velet 30. The

In this lamp, the thumb switch comprises a thumb piece 31 connected by rivets 33 peesing through slots in the casing to a con-- tact strip 32 assing upwardly from the switch within tige casing and being7 bent over as shown at 34, so es to upwardly.' c

In the lamp shown in Figures 4 and 5, the re casing 35 is provided screw fittings at both en ds.

cap 38 and adapted to screw on to the refl his is of the same construction as previously described comprising the insulating disc or rixior 49 and the lower conteo plate 50 connected by the eyelet 4,8. The disc 49 rests inthe metal rim 51 which rests on the shoulder 41. The lower sleeve 47 of the reflector- 42 ,contacts a :iinstY by pressure of the gl amp and held by the ring 44. Tie outer end of the reflector-'is of smaller diameterthan the outer endet t as to avoid contact therewith.

he thumb switch comprises an escutcheon 56. enclosin a sliding contact member 58 thumb piece 57 which slides e contact member 58 is slidable into or out of contact with the head of s rivet connecting with -the contact strip extending upwardly beyond the upper end of the casin The upper rivetattaching the 'strip 55 to the c esing as its outer end sunk be ow the outside surface of the casing, sb es to avoid contact with the metallic screw fitting thereon.v Tlie e cap 40 so he evice shown n modification ofthat shown riding over the outstandingl ber of places y this arrangement, the d'sc 61 can be 'detnchably 'connected to 'the ring 66 by' s n'aipin it intov the annular space between t e ips ,64- and the innershOulder 65.

and centered ing a metallic The device shown in Figures 9 and 10 isand also to compensate for the corresponding length of battery and.

casing.

The insulated buse oi support for Hector' and lamp, which lits the casing and centers the ieliector und the lamp, in this case is of :i

theirstioii that thc supporting rim ('is indented :it two or more points as shown at TT so ring, while the c to the Contact downwardly in the torni of zi tube 71,`whicli construction similar to that shown initie-lires l und 3,.ivith the excep-" i thus forms nn extension to thc metallic base supported in the casing. the tube 7 has iin inwardly bent beiifdin press the cup the lamp, form a yielding contact adapted for abutment by the lamp viding an electrical connection between the, Interengaging flanges .lampiand the battery.

guide and limit their on parts 74 and 75 i'elativeniovcment. The eyelet 70 provides )his i u socket for positioningr the lamp to!V engage the contact 75.

1t will be apparent that the upwsrdthrust t will also be a parent that the 66 viind 67 individ) with the )lates 29,l 62 mechanically 28, 61 and 68, thereb to use very thin discs. It is obvious that various chan es may milde iii the ,scope of the appended depart ing;v frruri v the `spirit of it is, therefore, to be tion is not limited to the specific details shown und described except as limited byl the claims.

is cl me i 1. In a battery hand lampehaving ing provided with s metallic part, and hsvreflector ini the lamp circui insulating means adapted to support .lli

i Hiivin thus' described theiinventioii, what v ually or in cooperationv reinforce the insulating 'discs making it possible l,

be- Y the detiiilsfotl construction within v claims without this invention; noted that thisv iiiveniis tensa reflector on but `out of contact with, the*- metallic part, comprising, 'an insulating element engaging the reflector anda reinforc-" ing rim surrounding said. element and en#vv gaging' the metallic part.

2.#In a batter-y hand lamp having a cas- -ing provided with" a =nietallic fpart, and hav-l 3, In a battery hand lamp having a casingprovided with a metallic part, and havvin ing a metallic reflector in the lamp circuit, 1

insulating means adapted y to support 3said reflector on said 'metallic part, comprising, an insulating element engaging the reflector .and a rim surrounding said element and engagin l the metallic part.

ing provided with a metallicpart, and having a metallic reflector in the lamp circuit,

insulating means adapted to support said. reflector out ofcontact with said metallic,...

ring, and ay apted to re-1 part, comprising, an insulatin metal rim surrounding and a4v enforce said ring.

5. In a batteryvhand lamp, i,

vend. vthrust ofthe batteryI to said reflector.

and meansfor yieldingly connectingsahl lamp with thebatteryr terminal.

6. In a A,battery hand lamp, a casing hav-v ing anict'allic part,.a metallic reflector having a lamp therein, vinsulating means adapted to support said reflector out of 'contact with said metallicl part-,means Vi'or reenter-win said insulating means, iiicans aflaptcil to relieve saidlan'i'p ot the und 'thrust ol the battery, and "means for yieldingly connectsaid lamp with the battery terminal. l. In a battery hand lamp, a casing' ,having a metallic' part, ametaliic reflector haring a lamp therein, insulating means adapb ed to support said reflector outfol' contact with said metallic part `means on r-:i lii'i sulating means andv ciigagiliy` the. haticry terminal adapted totransmit the engl thrust of the battery to said reflechir, am] means.

for yieldingly'conric'-stiiig the lamp with the battery. y v y 8. In a battery hamlylamp, Leasing haw ing a metallic part,.a metallic reflector hatv ing a lamp therein, insulating means a lapt ed to support said reflector out of cosita-:ft with mild metallic part, comprising :in in sulalmg ring and a metal rim adapted lo sulatin n abattery hand lamp having a casreeiiforce said ring, a buffer on said insulating means adapted to take the end vthrust 'ofl the battery, a'ntlilmeans for yieldingly connectin the ylamp With the battery.I '9. In a.v atter'y hand lamp havin a metalccasingrpart and a metallic re ector, an

insulatingv support. comprising, an iiisulatl 'ingring for engaging the reflector and a l rim forsaid ringl for engaging the casing art. p 1O..Iiiy a vbattery handlamp having a metallic casing part and a metallic reflector; an 4insulating support comprising, an 1inringin whichk Vthe reflectorr is adapte "to seat, and a reinforcing riniy for said ring adapted to seat in the casing part. 11. In a battery handv lamp having fa metallic casing part anda metallic reflector, p

an vinsulating suppOrtcOmpriSiIig, an insulating supporting ring and a metallic reinforcing rim therefor. l v

12; In abatteryvhand lamp hayingl a.

`metallic casing part and a metallic reflector, 'A

an insulatiiigsupport comprising,v aminsulating supporting ring yhaving an eyelet and a reinforcing rim.

metallic casingpart andl a metallic reflector,

an insulating support comprising an .in-v sulating supporting'ring having a metallic.

reinforcing 'eyelet and a metallic rim. I

"14. In a 'battery yhand lamp havingl a `metallic casing part provided with. a shoulder spaced from thel end ofthe casing'and havinga metallic reflector, an'. insulating 13.j Inv a' battery hand lamp lhaving -a` support comprising, an;insulatingsuppoiting ring in which" the ieflect'o'i'is adaptiedy to `seat and a reinforcing ri'rn adaptedjktc, seat on said shoulder.

l5. In a battery hanfll'amp Aharing casing'part and a reflector provided with a lamp,'a support. in which the reflector is' adapted to seat and which is adapted to seat in` the casing'. and a bumper on 'said support adapted for engagement..by'l the iiatlcry terminal. v

lti. ln a battery hand ingpart and a reflector provided with a lamp, a support in which the reflector is adapted to and whic-h" is adapted to scat in the casing, a bumper on said :sup-L port. adapted for engagement by the battery terminal, and a yielding lamp contacten saiil bumper. 1i". ln a battery hand lamphaving a metallic casing part and a metallic reflector provided with a lamp, an insulating sul,

port in` which the reflector is adapted to sont and which is .adapted to seat inthe casing, and a. bumper on said f:

i8; ln a flashlight, thc ccn'ihiiiation'olla lamp having a casuport'adalpit- 4 .cil for engagement hy the battery terminal.`

lamp, a lamp holder, a battery.r` and a coini" hincfl contactingaiid thrustd'izsisting device between the lamp and the batter", said de! Exif) `flector, lens, lainp bulb and battery. said' vice comprising a tubular member and an insulating member attached thereto, and relatively movable spring-pressed parts carried bythe insulating member and arranged within the tubular member.

lil. In a flashli lit, the combination ot' a lamp, a lamp holder, a battery. a tubular member extending-t'romthe lioldei' toward the battery, an insulating member in the tu-V bular member, a fixed contact carried by the tubular member and arranged to engage the central terminal of thefbattery. a movable contact carried by the said fixed contact and arranged to engage the centi-al contact ot' the lamp, and sn'ing means between the fixed andanovab o contacts for urging the` latter toward the lamp.

20, Ina flashlight. a devicefor electrically connecting the central terminal of a fiattcry with the central contact ot' a lamp and .for resisting the thrust ot' Athe battery on the lamp, said device comprising a supporting` means including an .insulating member. a fixed. contact carried by the .said ineinber, a movable contact slidablv mounted in the fixed contact, and .sprine means eonipressing on the movable inem ier.r

21. ln a Hashlight, al device for electrically connecting the central terminal ot' a battery with the central contact of a lamp and for resisting the thrust of the battery on the lamp, said device comprising a supporting means including :in insulating menibe'r, a. fixed Contact carried by the said ineinber', a movable Contact slidably 'mounted in the fixed Contact., spring means compressing on the movable member. and intereiigaging flanges on the fixed and movable contacts to permanently connect the same together.

22. ln a flash-light having a casing. roflcctor, lens. lamp bulb and battery, said casing having adjacent to its forward end a shoulder and said lens beingl secured over tlie`i'cllectot by an exterior ring. in conibination, a supporting member for said vretlector, coi/uprising a nictal ring adapted to engage said shoulder. an insulating disk fitted within and supported bv .said ring. a metal plate on the lower side ol' said disk, a metal eyelet connecting said disk and plato and receiving thc lower tubular portion of Said rctlector. and means for connecting the negativo pole ot the battery with said metal plate. one terminal ot' the lamp being in electrical connect-ion with the positive pole ot the battery. and said re- Hector at its upper edge being spaced f'roin the surrounding metal parts of' the Iiaslilight. v

23. ln a fhiSli-liglit'y having a casing, rc-

lens being secured over tbc reflector by an exterior ring. in combination. ari inst.' a' iiigdisk supported In the forward end of tho casing,

a metal plate. on the lower|izrt t'lcctor. lens'. lamp bulb and bat'tei'y.said

lens being secured over the reflector byan exterior ring, in 'coiiiliiii:ition, a supporting member for said reflector supported .in the forward end of the casing, comprising a metal ring. an insulating disk fitted within and supported by said ring,- ,a 'inetal'plate on the lower side ot said disk, a metal eyelet. connecting said disk and plate and receiving the lower tubular portion of said reflector, and means for' connecting the` negative' pole ot' tht` batter)y with said y'metal plate, one terminal of electrical connection of the battery. v

upper cdgc being spaced from the snrroundwith theI positive pole,

ing iiietal parts ofI the flash-light.

25. ln a flash-light having a casing', reflector. lens. lamp bulb and battery,"saiidv lens being secured over the reflector and said reflector having a depending tubular portion receiving;l the laiup. in combination, a supporting member for said reflector Supported adjacent the forward cnd of the casing. comprising a metal ring. an insulating disl fitted within and supported by said ring. a iuetal disk at tbc lower face ol" Said' insulating disk'and at its edges spaced soil the lamp 'being in and said reflector at its .ino

from the conductive surfaces of the flaslilight, and means for connect-ing the negative poloJ ot' the battery with said metal disk. one, terminal ot' the lamp being in electrical connection with thel positive pole of' the battery and said reflector at its upper edge being .spaced from the surroundinge metal parts of the flash-light and at its lower tubular portion being extended through said disks and in electrical ciii'ii`ie c. tion with said metal disk.

526. ln a. Hash-light liaviug a casing. reflector, lens, lanip bulb and battery. said leus being secured over the reflector and said reflector havingr a depending tlibular y portion receiving tlic lanip` in combination. a lsuppoi"t.in; nicuibcr for said reflector slipported adjacent4 thc forward end ol' the casing. comprising a mctafring. au insulating disk fitted within and supported b v said ring. a iiictal disk at the lower f'acc of' said insulating disk and at its edges spaced from the con-.luctivc .surfaces of' the flashlight. and means for connecting the negative polo of the batt-ery with said metal disk, one terminal of the lamp being in electricalconnection with the positive pole of the battery and said reflector at its upper edge being spaced from the Surrounding metal parts of the flash-light and at its lower tubular portion beingr extended through said disks and flanged outwardly and being in electrical connection with said metal disk.

27; In a flash-light having a metal casA ing, reflector, lens, lamp bulb and battery, said lens beingl secured over the reflector and said reflector at its upper edge being spaced from the surrounding metal parts ot' the flash-light and at its lower portion having a depending tubular member receiving the lamp, in combination, a support for said reflector adjacent the forward end of the casing, comprising a metal. ring, an insulating disk fitted within saidring, a metal disk at-the lower face of said insulating disk and at its edges spaced from the conductive surfaces of the flash-light, means connecting;r the negative pole ofthe battery with said casing, an external' slide on sa1d casing, and an interior conductive strip connected with said slide and having a forward end adapted to engage said metal disk when moved so to do, one terminal of the lamp being in electrical connection with the positive pole ol the battery@ andthe tubular portion of" said reflector being ex tended through said disks and in electrical connection with said metal disk.

28, Ima flashlight having a casing, a batltery therein, a reflector and a lamp, a device adapted t0 provide an abutment between the battery and the lanip, comprising, a me tallic base, a fixed contact thereon adapted for abutment by the battery, a yielding con# tact mounted to slide with respect to and electrically connected with said fixed contact' adapted for abutment by the lamp, andan insulating element between said contacts and said base.A

29. In a flashlight having a easing, a bat-- tery therein, a reflector and a lamp, a device adapted to provide Aan abutment between the battery and the lamp, comprising, a tubular base, a contact fixed in 'out insulated from one end of said base and adapted for abutment bythe battery, and a contact ,yieldingly mounted in said 'oase and connected with said fixed contact and adapted for abutment by the lamp.

3f). In a flashlight having a casing, a battery therein, a reflector anda lamp, a device i adapted to provide an abutment between the battery and the iamp, comprising, a base arranged to fit the casing and adapted to receive the reflector and lamp in order ter the same, a tubular extension on said base, a contact fixed in but insulated from ed for abutment by the lamp.

`tery therein, a reflector and a lamp, a device adapted to provide an abutment' lietween they battery and the lamp, comprising,l a. disc adapted to fit the casing2 a contacting member on said disc adapted fior Contact by the lamp terminal and for abutment by the battery terminal in order to absorb the battery thrustl and conduct the cm'rcnt therefrom to the lamp, and a socket on said disc adapted to position the lamp te yenimge said contactingr member and insulated therefrom.

32. ln a flashlight having a. casing, a battery therein, a reflector and a lamp, adeviee adapted to provide an abutment bctween the battery and the lamp, comprising,

a disc adapted to fit the casing, a contacting member on said disc adapted for contact by the lamp terminal and for abutment Vby the battery terminal in order to absorb the battery-thrust and conduct the current there- .from to the lamp, a socketon-Said disc adapted to position the lamp to engage said contacting member and insulated therefrom,

and a contact on said disc. and connected' with sai-d socket. t] 33. ln a flashlight having a casing, a batery'therein, a reflector and a lamp, a'device adapted to provide an abutment -between the battery and the lamp, comprisino', a dise of insulating material adapted to fil;

the casin a central Contactin :member on said vdisc adapted for contact by the central lamp terminal and for abutment by the battery terminal in order to absorb the battery thrust and conduct theeurrent therefrom to the temp, a socket on said dise adapted'to position the lamp to engage said contacting member and insulated therefrom, and a contact ring on said dise and connected with said socket. f' i 34. Ina flashlight having a easing, a hat tory therein, a reflector and a.l.amp, a de Vice adapted to .provide an abutment bef tweenthe and the lamp, comprising, a disc adzqotedv to fit the casing, a contacting member on said disc having ayielding part adapted for contact by they lamp terminal and having a part adapted for abutmentby the battery terminal in order to absorb the battery thrust and conduct the current therefrom to the lamp,` and a socket on said disc adapted to position the lamp to engage said contacting mm r and insulated therefrom,

at New York, 'New York, this 15th day of Apribtlt?,

new i 

